Analysis of a Stress-Strain State of a Cylindrical Tank Wall Vertical Field Joint Zone
Zhangabay N. Suleimenov U. Utelbayeva A. Kolesnikov A. Baibolov K. Imanaliyev K. Moldagaliyev A. Karshyga G. Duissenbekov B. Fediuk R. Amran M.
September 2022MDPI
Buildings
2022#12Issue 9
In the study, experimental and theoretical studies were carried out to assess the influence of the vertical mounting joint zone of the tank on the stress-strain state of the defect zone. Thus, experimental tests of models of a tank wall fragment with an imperfection of the mounting joint evaluated the stress-strain state of the mounting joint zone and established the dependence of the stress concentration in the joint zone on the deflection, the width of the zone and the thickness of the tank wall. It is shown that with a 50 mm bending boom, the annular stresses increase by 1.3 times than with a 30 mm bending boom and the meridional stresses increase by 1.16 times. The same nature of the increase is observed with the stress concentration indicator. By numerical analysis of the stress-strain state of tanks with joint imperfections in the ANSYS medium, the stress-strain state of the tank is estimated for various values of the joint bending parameters ς and ξ. The dependences of the stress concentration coefficient on the geometric dimensions of the imperfection, radius and thickness of the tank wall are also obtained. From the results of calculating the stress concentration coefficient, with an increase in the dimensionless parameters ς and ξ, the values of the stress concentration coefficient Kσ increase by 1.35 times. As a result of the calculations, an interpolation polynomial (5), approximating the stress concentration coefficient Kσ, is obtained, which can be used to estimate the strength, durability and residual resource of the tank. In addition, the obtained results can be used to normalize the limiting dimensions of the imperfection of the joint and to establish the values of the coefficient, taking into account the peculiarities of the work of structures at stress concentrations.
experimental study , joint zone , modeling , numerical method , stress concentration , tank , wall vertical field
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Department of Construction and Construction Materials, M. Auezov South Kazakhstan University, Avenue Tauke Khan, 5, Shymkent, 160012, Kazakhstan
Department of Architecture, M. Auezov South Kazakhstan University, Avenue Tauke Khan, 5, Shymkent, 160012, Kazakhstan
Department of Chemistry, M. Auezov South Kazakhstan University, Avenue Tauke Khan, 5, Shymkent, 160012, Kazakhstan
Department of Life Safety and Environmental Protection, M. Auezov South Kazakhstan University, Avenue Tauke Khan, 5, Shymkent, 160012, Kazakhstan
Department of Engineering, Peoples Friendship University Named after Academician A. Kuatbekov, Street, Tolebi n/n, Shymkent, 160012, Kazakhstan
Department of Mechanics and Mechanical Engineering, M. Auezov South Kazakhstan University, Avenue Tauke Khan, 5, Shymkent, 160012, Kazakhstan
Department of Architecture and Construction Production, Ata Kyzylorda University, Street Aiteke Bi 29A, Qorqyt, Kyzylorda, 160014, Kazakhstan
Polytechnic Institute, Far Eastern Federal University, Vladivostok, 690922, Russian Federation
St. Petersburg Polytechnic University, Saint Petersburg, 195251, Russian Federation
Department of Civil Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, Alkharj, 16273, Saudi Arabia
Department of Civil Engineering, Faculty of Engineering and IT, Amran University, Amran, 9677, Yemen
Department of Construction and Construction Materials
Department of Architecture
Department of Chemistry
Department of Life Safety and Environmental Protection
Department of Engineering
Department of Mechanics and Mechanical Engineering
Department of Architecture and Construction Production
Polytechnic Institute
St. Petersburg Polytechnic University
Department of Civil Engineering
Department of Civil Engineering
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